chore: update angular-cli monorepo to v20

Author: renovate[bot]

bpmn-js-app/package.json

@@ -26,13 +26,13 @@
     "zone.js": "~0.14.4"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^17.2.0",
+    "@angular-devkit/build-angular": "^20.0.0",
     "@angular-eslint/builder": "17.2.1",
     "@angular-eslint/eslint-plugin": "17.2.1",
     "@angular-eslint/eslint-plugin-template": "17.2.1",
     "@angular-eslint/schematics": "17.2.1",
     "@angular-eslint/template-parser": "17.2.1",
-    "@angular/cli": "^17.2.0",
+    "@angular/cli": "^20.0.0",
     "@angular/compiler-cli": "^17.2.1",
     "@angular/language-service": "^17.2.1",
     "@playwright/test": "^1.41.2",